CN101688435A - Hydraulic breaker assembly - Google Patents
Hydraulic breaker assembly Download PDFInfo
- Publication number
- CN101688435A CN101688435A CN200880015648A CN200880015648A CN101688435A CN 101688435 A CN101688435 A CN 101688435A CN 200880015648 A CN200880015648 A CN 200880015648A CN 200880015648 A CN200880015648 A CN 200880015648A CN 101688435 A CN101688435 A CN 101688435A
- Authority
- CN
- China
- Prior art keywords
- head member
- cylinder body
- front side
- breaker assembly
- hydraulic breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
- E02F5/305—Arrangements for breaking-up hard ground
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/121—Housing details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Fluid-Damping Devices (AREA)
- Earth Drilling (AREA)
- Actuator (AREA)
Abstract
A kind of hydraulic breaker assembly, comprise the head member cap, cylinder body and the front side head member that are installed in the housing, the surface of the correspondence of wherein said front side head member and described cylinder body is connected by connecting pin, wherein said cylinder body and the described head member cap that is positioned at described cylinder body top are fixed together by fastening bolt, and wherein said front side head member, described cylinder body and described head member cap are by being bearing in the inside of housing with the variable damper that described front side head member, described cylinder body and described head member cap closely contact.Prevented that therefore thereby move head member cap, cylinder body and the front side head member in the housing is linked together securely.Impact-generating section minimizes and protects described bolt not produce distortional stress when the bump of bar thereby the length of fastening bolt is reduced, and has improved durability thus.
Description
Technical field
A kind of hydraulic breaker assembly that improves modular construction of relate generally to of the present invention, described modular construction comprises head member cap, cylinder body and front side head member, described head member cap, cylinder body and front side head member are assembled in the housing, have improved its durability thus.
Background technology
As known in the art, hydraulic breaker comprises head member cap with the hydraulic channel that is used to supply with and receive hydraulic pressure, have the cylinder body of the cylinder chamber that piston moves back and forth therein and be used for operated piston for example be the element of valve etc. and front side head member with trip rod, thereby this trip rod is connected with piston by working in reciprocating mode execution impact stroke.The said structure element forms separately and is attached in the individual unit by four stay bolts.In the work, piston is at the trip rod when moving up and down by means of the hydraulic pressure that is supplied to cylinder body, thereby bar can fractured rock etc.
As shown in Figure 1, on the lower end that conventional hydraulic crushing engine 10 in the correlation technique is included in the cylinder body 50 that wherein has piston, be installed in cylinder body 50 and have therein as the front side head member 40 of the bar 70 of impact tool and the head member cap 30 that is connected with the upper end of cylinder body 50, wherein head member cap 30, cylinder body 50 and front side head member 40 all have through hole, thereby stay bolt 80 inserts in the described through hole they connections.
Here, with described Bolt Connection, and the side of front side head member, cylinder body and head member cap is by variable damper 30-1,30-2 in the inside that is inserted into housing 60,40-1 and 50-1 supporting among the installing hole 40-2 of the nut of fastening stay bolt 80 in being located at front side head member 40.
In crushing engine 10, when hydraulic pressure or pneumatic pressure source supplied to the inside of cylinder body 50, piston descended and is arranged on bar 70 in the front side head member 40 with bump, thereby bar 70 clashes into again and broken target.
Yet, such crushing engine has a problem and is, wherein, when bump rock etc. the time, exist under the situation of distortional stress in the trip rod, distortional stress concentrate between front side head member and the cylinder body and cylinder body and head member cap between the coupling part on, thereby stress is applied on the stay bolt that passes the coupling part, makes to produce for example to be distortion crooked or that break to make the reliability that connects worsen thus.
In addition, another problem is, thereby the inside that is arranged on housing 60 is supported the structure of a plurality of variable damper 30-1,30-2,40-1 and the 50-1 of front side head member 40, cylinder body 50 and head member cap 30 respectively and is subjected to the wearing and tearing that produced by the friction that causes such as vibration, this has increased the shear-type load that affacts on the stay bolt 80, has reduced its durability thus.
In order to solve this wear problem in the variable damper, as shown in Figure 2, the disclosed scheme of korean registered utility model No.381252 comprises the bracket component with front and back support 3a and 3b and a plurality of side stand 3c, they are assembled into box-like to form the assembling space that the assembly body inserts, and block member 4 and lower member 5 are assembled in respectively on the top and the bottom of bracket component, wherein 7a of damper up and down and the 7b insertion that is made of urethanes places therebetween, wherein the assembly body has the piston that moves up and down thereon the time when the pressure effect, and accepts the chisel 6 from the impact force of piston.
In described assembly body, a plurality of side damper 8a, 8b and 9a have been arranged, side damper 8a and 8b are made of urethanes assembly 81a and 81b and paired front and rear panel 83a and 82a and 83b and 82b respectively, fit together with the assembling projection 31 that is made of wear-resisting synthetic resin material that is arranged among front and back support 3a and the 3b thereby described front and rear panel 83a and 82a and 83b and 82b are arranged in the opposition side of described urethanes assembly.
Yet such hydraulic breaker has following problem.Because described urethanes assembly becomes damaged because of frequent vibration and impact, between assembly body and side damper the gap appears therefore, and generation noise and vibration.Because piston enlarges gradually along with the gap and can not accurately clash into chisel, therefore quickened damage, and reduced durability of products and reliability the assembly body.Because all side dampers have to be replaced, therefore produced unnecessary waste when heel and toe wear takes place.
Summary of the invention
Technical problem
Therefore; be devoted to solve problems of the prior art and made the present invention; and an object of the present invention is to provide a kind of hydraulic breaker assembly; described hydraulic breaker assembly allows the head member cap; cylinder body and the combination firmly of front side head member; and when preventing to result from distortional stress concentrated area on the trip rod and being delivered to stay bolt; described hydraulic breaker assembly also allows to impact and is delivered on the whole breaker assembly; the distortional stress that its protection stay bolt produces when avoiding the bar bump repeatedly; the impact shock and the impact noise that reduce crushing engine are not subjected to fretting wear and frictional heat to protect each damper safely, and support the front side head member consistently; cylinder body and head member cap are in place to reduce the error rate of breaker assembly the life-span of improving each damper and breaker assembly.
Technical scheme
To achieve these goals, according to a first aspect of the invention, a kind of hydraulic breaker assembly is provided, comprise the head member cap that is arranged in housing, cylinder body and front side head member, the surface that wherein is based upon the correspondence of described front side head member in the housing and described cylinder body is connected by a plurality of connecting pins, described cylinder body is fixed together by a plurality of fastening bolts with the described head member cap that is positioned at described cylinder body top, and described front side head member, described cylinder body and described head member cap by with described front side head member, the outside one or more variable dampers that closely contact of described cylinder body and described head member cap are bearing in the inside of housing.
In one embodiment, described cylinder body can have fixedly step, wherein the side backstop that is fixed on the described head member cap of one side is assembled in the described fixedly step, and when the side cover on being fixed to the front side head member connected with housing, described cylinder body and front side head member were combined securely.
In one embodiment, described housing can be provided with the benchmark damper and be provided with variable damper on another corresponding inner surface on the inner surface.
In one embodiment, described front side head member can have maximum impact area on piston in being installed on described front side head member and the cross section between the bar.
Beneficial effect
In hydraulic breaker assembly according to the present invention; head member cap, cylinder body and front side head member are prevented from the housing and move and firmly combined; the length of stay bolt is shortened so that impact-generating section minimizes and protect stay bolt not to be subjected to the distortional stress that produces when bar clashes into; therefore improved durability, and the impact shock and the impact noise that have reduced crushing engine are avoided fretting wear and frictional heat to protect each damper safely.
In addition, front side head member, cylinder body and head member cap are supported in place consistently, so that reduce the error rate of breaker assembly and the life-span of improving each damper and breaker assembly.
In addition, because its firm assembling has reduced the error rate of hydraulic breaker assembly, this has prolonged the application life of product significantly thus.
Description of drawings
Fig. 1 shows the viewgraph of cross-section according to the breaker assembly of prior art;
Fig. 2 shows the viewgraph of cross-section of the state of the damper that the breaker assembly that is used for prior art is installed;
Fig. 3 and 4 shows that hydraulic breaker assembly according to the present invention is decomposed and the view of the state assembled;
Fig. 5 shows the exploded viewgraph of cross-section according to hydraulic breaker assembly of the present invention;
Fig. 6 shows damper and is installed in partial cross-sectional view according to the state in the hydraulic breaker assembly of another embodiment of the present invention;
Fig. 7 and 8 shows the schematic diagram according to damper of the present invention; And
Fig. 9 and 10 shows bar respectively and is installed in viewgraph of cross-section and partial enlarged view according to the state in the hydraulic breaker assembly of another embodiment of the present invention.
The specific embodiment
To make an explanation to exemplary embodiment of the present invention illustrated in the accompanying drawings in more detail now.
Fig. 3 and 4 shows that hydraulic breaker assembly according to the present invention is decomposed and the view of the state assembled.Fig. 5 shows the exploded viewgraph of cross-section according to hydraulic breaker assembly of the present invention.Fig. 6 shows damper and is installed in partial cross-sectional view according to the state in the hydraulic breaker assembly of another embodiment of the present invention.Fig. 7 and 8 shows the schematic diagram according to the application of damper of the present invention.Fig. 9 and 10 shows bar respectively and is installed in viewgraph of cross-section and partial enlarged view according to the state in the hydraulic breaker assembly of another embodiment of the present invention.
In hydraulic breaker assembly of the present invention, comprise the part of bar 170 and the front side head member 100 and the cylinder body 200 of the part of the piston 270 of the described bar of bump at least and link together by a plurality of connecting pins 410.
In addition, side backstop 470 has and is formed on it corresponding on the side of the fixedly step of cylinder body 200 and closely be assembled to projection on it.
Then, head member cap 300, cylinder body and front side head member 100 being connected internally to together at housing 500.
Here, thus a plurality of variable damper 510 is arranged in the housing 500 head member cap 300, cylinder body 200 and front side head member 100 location.
In addition, front side head member 100 has the recess 150 of installation at its opposition side, and corresponding side cover 430 is assembled in this installation recess.
Simultaneously, in housing 500, thereby variable damper 510 is mounted movably and prevents to move when head member cap 300, cylinder body 200 and front side head member 100 from installing in housing 500, and fixedly damper 530 also is arranged on the opposition side of variable damper 510.
Here, replace installing and fixing damper 530, also variable damper 510 can only be installed.
In addition, fixedly damper 530 is made of the steel or the urethanes of rub resistance.
Then, in variable damper 510, thereby be used to make the position of the described fixed block 517 in front that the minimized distance adjustment pad 513 of damage and wear is arranged on fixed block 517 to change by means of range adjuster 515.
Partly have the maximum cross-section area T1 and the T2 that limits by piston and bar respectively at bar 170 that is connected with front side head member 100 and the impact that is contained between the piston 270 in the cylinder body 200.
Moving downward of piston 270 by being set at lining 173 controls of joint step 178 supportings in the front side head member 100.
The motion up and down of bar 170 is by lever pin 105 controls, thereby described lever pin 105 is positioned to face with each other on the opposite guide recess 175 that is formed on the bar 170 in the front side head member 100.
Here, thus lid 104 is fixed on the bottom of front side head member 100 at front side head member 100 upper support bars 170.
The as above work of the present invention of structure will be described now.
Shown in Fig. 3 to 10, according to hydraulic breaker assembly of the present invention, when assembled head parts cap 300, cylinder body 200 and front side head member 100, cylinder body 200 and head member cap 300 are only arranged, and all to have a fastening bolt 450 of screw thread in its end opposite fastening by a plurality of, and the impact force action of maximum is on described cylinder body 200 and head member cap 300 when breaker assembly is worked.
Then, in order to improve the fastening force between cylinder body 200 and the head member cap 300, thereby side backstop 470 further connects a side of side backstop 470 to be fastened on the head member cap 300 with head member cap 300, and its opposite side is assembled on the fixedly step 210 of cylinder body 200, prevents that thus fastening head member cap and cylinder body from moving.
When the side cover 430 of locating by the installation recess 150 of front side head member 100 connects with housing 500, prevented that cylinder body 200 and front side head member 100 from moving down.
Here, when cylinder body, head member cap and front side head member when producing the friction of relative housing, a plurality of variable dampers 510 that are arranged in housing 500 prevent from cylinder body etc. caused and damage and absorb vibration.
The side cover 430 that connects with housing 500 uses fastening bolt with connecting pin front side head member 100 and cylinder body 200 to be firmly held in side backstop 470, prevents to act on the leakage of the fluid on the cylinder body thus.
Simultaneously, thus variable damper 510 or fixedly damper 530 optionally be arranged in the housing 500 near the front side head member 100, cylinder body 200 and the head member cap 300 that as above-mentioned structure, are linked together, locate them in housing thus.
When damper is installed, the fixedly damper of being made by steel or shock resistance and wear-resisting nylon or urethanes 530 at first is mounted as the benchmark damper, the adjustable variable damper 510 of its range of extension is installed in the position relative with the benchmark damper then, even thereby when fixedly the damage of damper 530 took place, variable damper 510 was still regulated adhesion to prevent vibration and noise thus.
In addition, thereby move back and forth when transmitting impact shock with the bump target when bar 170, the fixedly damper or the variable damper that are arranged on head member cap top or front side head member below absorb impact shock.
Here, select fixedly damper 530 and variable damper 510 in the preferred compositions mode that is suitable for front side head member 100, cylinder body 200 and head member cap 300 in the support housing 500.
In addition, range adjuster 515 comprises the adjusting bolt 515-7 of the compressive force of helical spring 515-5 and regulating spring, thereby when the operator regulated bolt, the compressive force of spring increased moving down the distance adjustment pad, and covers the gap between benchmark damper and the crushing engine.
Simultaneously, be installed in bar 170 in the front side head member 100 constitute make on it/motion is only by 105 controls of single lever pin down, thereby the cross-sectional area T2 of its upper end is maximized, and make on it/motion is by sleeve 173 supportings down, thereby prevented vibration of bar, and impact force is assigned to fifty-fifty on the bar 170.
In addition, the cross-sectional area T1 that the piston 270 that contacts with bar 170 is made in its lower end is for maximum, thereby with bar 170 collisions the time, impact force is assigned on the whole piston 270.
When piston was connected with bar, the both was installed in cylinder body 200 and the front side head member 100, and after being inserted by the bar 170 of lever pin 105 supporting and sleeve 173, piston is inserted on the bar again, thereby and bar 104 connect with front side head member 100 and prevent that stopping bar moves.
Thereby sleeve 173 is prevented to move down by joint step 178 supportings of front side head member 100.
Here, thus the oil supply unit (not shown) of sleeve 173 from be arranged on front side head member 100 is supplied to the motion that lubrication oil promotes bar 170 from the outside.
As previously mentioned, according to the present invention, only have when bar 170 bump, be applied with the head member cap 300 and the cylinder body 200 of maximum stress fastening by fastening bolt 450, and front side head member 100 and cylinder body 200 are only by connecting pin 410 supportings, and its outside is still by 470 supportings of side cover 430 and side backstop, being produced and the defective generation phenomenon that causes by stress when having eliminated single stay bolt supporting total thus.
In addition, the outside of front side head member 100, cylinder body 200 and head member cap 300 has prevented thus that by one or more fixedly dampers 530 or variable damper 510 supportings they are mobile in housing 500.
Industrial applicibility
According to hydraulic breaker assembly of the present invention, improved durability, the impulsive force during bump is inhaled Receipts are with minimum, and are arranged in head member cap, cylinder body and the front side head member quilt of housing Protect safely to avoid fretting wear and frictional heat.
Claims (27)
1. hydraulic breaker assembly comprises:
Be installed in head member cap, cylinder body and front side head member in the housing,
The surface that wherein is based upon the correspondence of described front side head member in the housing and described cylinder body is connected by a plurality of connecting pins,
Wherein said cylinder body is fixed together by a plurality of fastening bolts with the described head member cap that is positioned at described cylinder body top, and
Wherein said front side head member, described cylinder body and described head member cap are by being bearing in the inside of housing with the outside one or more variable dampers that closely contact of described front side head member, described cylinder body and described head member cap.
2. hydraulic breaker assembly as claimed in claim 1, it is characterized in that, described cylinder body also is provided with fixedly step, and wherein the side backstop that is fixed on the described head member cap of one side is assembled in the described fixedly step to locate described cylinder body and described head member cap at opposite side.
3. hydraulic breaker assembly as claimed in claim 1 is characterized in that, described front side head member also is provided with the installation recess, and wherein the side cover that connects with housing is assembled in the described installation recess to locate described front side head member.
4. hydraulic breaker assembly as claimed in claim 1 is characterized in that described variable damper comprises the fixed block that is fixed on the described housing, and the front service range adjuster that is positioned at described fixed block makes the distance adjustment pad of its position changeable.
5. hydraulic breaker assembly as claimed in claim 4 is characterized in that, described range adjuster comprises the fluid that forms hydraulic pressure or Pneumatic pressure, and the flap valve that guides the flow direction of described fluid when preventing described fluid pressure loss.
6. hydraulic breaker assembly as claimed in claim 4 is characterized in that, thereby described range adjuster comprises helical spring and the adjusting bolt that is fastened to the compressive force of regulating described spring on the described fixed block.
7. hydraulic breaker assembly as claimed in claim 1 is characterized in that, described front side head member is provided so that the piston and the bar that are installed in wherein have maximum bump cross-sectional area betwixt.
8. hydraulic breaker assembly as claimed in claim 7 is characterized in that, described bar be constructed to make its by described piston slap cause on/motion is controlled by lever pin down.
9. hydraulic breaker assembly as claimed in claim 7, it is characterized in that, described bar is supported by sleeve, described sleeve is fixed by the joint step that is arranged in the head member of described front side, and described bar is provided with guide recess at its opposition side, thereby move down and cause that by repulsive force when moving up, lever pin contacts with described guide recess causing by piston.
10. hydraulic breaker assembly comprises:
Be installed in head member cap, cylinder body and front side head member in the housing,
The surface that wherein is based upon the correspondence of described front side head member in the housing and described cylinder body is connected by a plurality of connecting pins,
Wherein said cylinder body is fixed together by a plurality of fastening bolts with the described head member cap that is positioned at described cylinder body top, and
Wherein said front side head member, described cylinder body and described head member cap are by being bearing in the inside of housing with the outside one or more fixedly dampers that closely contact of described front side head member, described cylinder body and described head member cap and the variable damper that is arranged on described fixedly damper opposition side.
11. hydraulic breaker assembly as claimed in claim 10, it is characterized in that, described cylinder body also is provided with fixedly step, and wherein the side backstop that is fixed on the described head member cap of one side is assembled in the described fixedly step to locate described cylinder body and described head member cap at opposite side.
12. hydraulic breaker assembly as claimed in claim 10 is characterized in that, described front side head member also is provided with the installation recess, and wherein the side cover that connects with housing is assembled in the described installation recess to locate described front side head member.
13. hydraulic breaker assembly as claimed in claim 10 is characterized in that, described variable damper comprises the fixed block that is fixed on the described housing, and the front that is positioned at described fixed block makes the distance adjustment pad of its position changeable by range adjuster.
14. hydraulic breaker assembly as claimed in claim 13 is characterized in that, described range adjuster comprises the fluid that forms hydraulic pressure or Pneumatic pressure, and the flap valve that guides the flow direction of described fluid when preventing described fluid pressure loss.
15. hydraulic breaker assembly as claimed in claim 13 is characterized in that, thereby described range adjuster comprises helical spring and the adjusting bolt that is fastened to the compressive force of regulating described spring on the described fixed block.
16. hydraulic breaker assembly as claimed in claim 10 is characterized in that, described front side head member is provided so that the piston and the bar that are installed in wherein have maximum bump cross-sectional area betwixt.
17. hydraulic breaker assembly as claimed in claim 16 is characterized in that, described bar be constructed to make its by on being caused by described piston slap/down motion is controlled by lever pin.
18. hydraulic breaker assembly as claimed in claim 16, it is characterized in that, described bar is supported by sleeve, described sleeve is fixed by the joint step that is arranged in the head member of described front side, and described bar is provided with guide recess at its opposition side, thereby move down and cause that by repulsive force when moving up, lever pin contacts with described guide recess causing by piston.
19. hydraulic breaker assembly as claimed in claim 10 is characterized in that, described fixedly damper is made by the steel that makes minimise friction.
20. a hydraulic breaker assembly comprises:
Be installed in head member cap, cylinder body and front side head member in the housing,
The surface that wherein is based upon the correspondence of described front side head member in the housing and described cylinder body is connected by a plurality of connecting pins,
Wherein said cylinder body is fixed together by a plurality of fastening bolts with the described head member cap that is positioned at described cylinder body top,
Wherein said front side head member, described cylinder body and described head member cap be by being bearing in the inside of housing with the outside one or more fixedly dampers that closely contact of described front side head member, described cylinder body and described head member cap and one or more variable dampers of being arranged on described fixedly damper opposition side, and
Wherein said front side head member is provided so that the piston and the bar that are installed in wherein have maximum bump cross-sectional area betwixt.
21. hydraulic breaker assembly as claimed in claim 20, it is characterized in that, described cylinder body also is provided with fixedly step, and wherein the side backstop that is fixed on the described head member cap of one side is assembled in the described fixedly step to locate described cylinder body and described head member cap at opposite side.
22. hydraulic breaker assembly as claimed in claim 20 is characterized in that, described front side head member also is provided with the installation recess, and wherein the side cover that connects with housing is fitted in the described installation recess to locate described front side head member.
23. hydraulic breaker assembly as claimed in claim 20, it is characterized in that, described variable damper comprises the fixed block that is fixed on the described housing, and the front that is positioned at described fixed block makes the distance adjustment pad of its position changeable by range adjuster, and described fixedly damper is made by the steel that makes minimise friction.
24. hydraulic breaker assembly as claimed in claim 23 is characterized in that, described range adjuster comprises the fluid that forms hydraulic pressure or Pneumatic pressure, and the flap valve that guides the flow direction of described fluid when preventing described fluid pressure loss.
25. hydraulic breaker assembly as claimed in claim 23 is characterized in that, thereby described range adjuster comprises helical spring and the adjusting bolt that is fastened to the compressive force of regulating described spring on the described fixed block.
26. hydraulic breaker assembly as claimed in claim 20 is characterized in that, described bar be constructed to make its by on being caused by described piston slap/down motion is controlled by lever pin.
27. hydraulic breaker assembly as claimed in claim 20, it is characterized in that, described bar is supported by sleeve, described sleeve is fixed by the joint step that is arranged in the head member of described front side, and described bar is provided with guide recess at its opposition side, thereby move down and cause that by repulsive force when moving up, lever pin contacts with described guide recess causing by piston.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/KR2008/003648 WO2009157599A1 (en) | 2008-06-25 | 2008-06-25 | Hydraulic breaker assembly |
Publications (2)
Publication Number | Publication Date |
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CN101688435A true CN101688435A (en) | 2010-03-31 |
CN101688435B CN101688435B (en) | 2013-06-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2008800156489A Active CN101688435B (en) | 2008-06-25 | 2008-06-25 | Hydraulic breaker assembly |
Country Status (5)
Country | Link |
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US (1) | US8146677B2 (en) |
EP (1) | EP2288779A4 (en) |
JP (1) | JP4786768B2 (en) |
CN (1) | CN101688435B (en) |
WO (1) | WO2009157599A1 (en) |
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- 2008-06-25 JP JP2010518105A patent/JP4786768B2/en not_active Expired - Fee Related
- 2008-06-25 US US12/451,425 patent/US8146677B2/en not_active Expired - Fee Related
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CN102294679A (en) * | 2010-12-27 | 2011-12-28 | 莫雪松 | Hydraulic breaking hammer assembly |
CN102677726A (en) * | 2012-06-12 | 2012-09-19 | 南通欧特建材设备有限公司 | Triangular shell of hydraulic knapper |
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CN107690501B (en) * | 2015-06-11 | 2020-10-23 | 蒙塔博特公司 | Hydraulic impact device |
CN106436805A (en) * | 2016-11-16 | 2017-02-22 | 河南广度超硬材料有限公司 | Crane smashing device small in noise and accurate in positioning |
CN106436805B (en) * | 2016-11-16 | 2018-11-13 | 江苏博创升降机械有限公司 | A kind of crane grinding device that the small positioning of noise is accurate |
CN111744651A (en) * | 2020-07-15 | 2020-10-09 | 马鞍山盛禾新智能科技有限公司 | Hammering component for hydraulic crusher |
CN115324144A (en) * | 2022-08-25 | 2022-11-11 | 南通欧特建材设备有限公司 | Airborne hydraulic breaking hammer and mounting method thereof |
CN115324144B (en) * | 2022-08-25 | 2024-01-09 | 南通欧特建材设备有限公司 | Machine-mounted hydraulic breaking hammer and mounting method thereof |
Also Published As
Publication number | Publication date |
---|---|
WO2009157599A1 (en) | 2009-12-30 |
EP2288779A4 (en) | 2016-03-16 |
US20100139939A1 (en) | 2010-06-10 |
US8146677B2 (en) | 2012-04-03 |
CN101688435B (en) | 2013-06-19 |
JP4786768B2 (en) | 2011-10-05 |
JP2010531942A (en) | 2010-09-30 |
EP2288779A1 (en) | 2011-03-02 |
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